This Square D 9036DG2 commercial open tank float switch for use with water, hydraulic oils, and corrosive fluids activates pumps or sump-pumps and signals within a power circuit when certain fluid levels are reached. It is lever operated and mounts to the floor but can be mounted to a pedestal using a 9049UMS1 mounting (not included). It has 4 screw terminals and 3 knockouts for 1/2″ conduit entry. This switch has a NEMA 1 enclosure for protection and contacts that close on liquid rise. Square D switches are manufactured by Schneider Electric. Square D brand pressure, float, and limit switches have been synonymous with safety, quality, and reliable performance for over 100 years. First launched by Detroit Fuse and Manufacturing in 1902, the Square D brand and its products continue to earn customer trust today.